-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify debian-8-turnkey-canvas_14.0-1_amd64.ova.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum debian-8-turnkey-canvas_14.0-1_amd64.ova bc660a87ee557d62a02d452e9167f1cf $ sha1sum debian-8-turnkey-canvas_14.0-1_amd64.ova 661a197b4f471851f3692a0608a5d2d1ce66f7a1 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxRAAoJEIXCXpWhbrlNEZ8H/3oXaKyZxstffEi3yZFHD0di lz2JEknCUvA0SOsgohieZ6XHNJ+7/FPVeOqWl5zdaoMzO6tY/ppw7yl+hQoTsfkd 7ttUmlFyDjLnUtfj5w5BbE3R1msitDU0GZNptGGDxz8oQI5yJun/YCz6A30D0G90 D3c2PrRSx5hIPyPVnxEWM7/bLQIHo2cjhFieSUOUGUkq67+oAqnn2D9C0jEcyf07 njFWbTQi6m+t3Hc8g0sOy3w/waZ9t2ico9QBPeyifMeDfra1nKJNuV363MXXiECY BrA/yivFF3QRruE9oQzbc+kxEN98iRlxj9/ZEfV89PIu2E15c8P70fYuJedbtp0= =OqTS -----END PGP SIGNATURE-----